I am looking for a book on the Mac to recommend to a friend of mine …

This friend of mine (50+) needs a well-made introduction on "how to use my (almost) 1st computer, a MacBook". I am not sure, I can convince this friend to upgrade to Lion for about EUR 25.

• Macs For Seniors For Dummies
• Mac OS X Lion For Dummies
• Macs For Dummies, 11th Edition
• Macs All-in-One For Dummies, 2nd Edition
• MacBook All-in-One For Dummies
• Mac OS X Snow Leopard Just the Steps For Dummies
• Mac OS X Snow Leopard For Dummies
• Mac OS X Snow Leopard All-in-One For Dummies
• …